Question

The number of subscribers to a streaming video service doubles each week. The function f(x)=2^x represents the number of subscribers in a week x. when are there 64 subscribers?

A. week 6
B. week 7
C. week 32
D. week4

Answer 1

Answer:A week 6

Explanation:

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Answer 2

For this case we have the following function:
f (x) = 2 ^ x
For f (x) = 64 we have:
64 = 2 ^ x
Clearing the value of x we have:
log2 (2 ^ x) = log2 (64)
x = log2 (64)
x = 6
Answer:
there are 64 subscribers in:
A. week 6